Denitrification from a Swine Lagoon Overland Flow Treatment System at a Pasture–Riparian Zone Interface

ABSTRACT In manure disposal systems, denitrification is a major pathway for N loss and to reduce N transport to surface and ground water. We measured denitrification and the changes in soil N pools in a liquid manure disposal system at the interface of a pasture and a riparian forest. Liquid swine m...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Veröffentlicht in:Journal of environmental quality 2001-03, Vol.30 (2), p.617-624
Hauptverfasser: Lowrance, Richard, Hubbard, Robert K.
Format: Artikel
Sprache:eng
Schlagworte:
Online-Zugang:Volltext
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
container_end_page 624
container_issue 2
container_start_page 617
container_title Journal of environmental quality
container_volume 30
creator Lowrance, Richard
Hubbard, Robert K.
description ABSTRACT In manure disposal systems, denitrification is a major pathway for N loss and to reduce N transport to surface and ground water. We measured denitrification and the changes in soil N pools in a liquid manure disposal system at the interface of a pasture and a riparian forest. Liquid swine manure was applied weekly at two rates (approximately 800 and 1600 kg N ha−1 yr−1) to triplicate plots of overland flow treatment systems with three different vegetation treatments. Denitrification (acetylene block technique on intact cores) and soil N pools were determined bimonthly for 3 yr. The higher rate of manure application had higher denitrification rates and higher soil nitrate. Depth 1 soil (0–6 cm) had higher denitrification, nitrate, and ammonium than depth 2 soil (6–12 cm). The vegetation treatment consisting of 20 m of grass and 10 m of forest had lower denitrification. Denitrification did not vary significantly with position in the plot (7, 14, 21, and 28 m downslope), but nitrate decreased in the downslope direction while ammonium increased downslope. Denitrification ranged from 4 to 12% of total N applied in the manure. Denitrification rates were similar to those from a nearby dairy manure irrigation site, but were generally a lower percent of N applied, especially at the high swine effluent rate. Denitrification rates for these soils range from 40 to 200 kg N ha−1 yr−1 for the top 12 cm of soil treated with typical liquid manure that is high in ammonium and low in nitrate.
doi_str_mv 10.2134/jeq2001.302617x
format Article
fullrecord <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_14579656</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>14579656</sourcerecordid><originalsourceid>FETCH-LOGICAL-c468X-4455cbe29e5c1cc71e87fccc5662cb50cd1a96ff6f894612d63877a9ae2cf2ad3</originalsourceid><addsrcrecordid>eNqFkctuEzEUhi0EoiGwZodGCLFL67tnVgj1Aq0iFWiRKjaW4zlGjmbs1J5pyI534A15ElxlpCI2LHzRr-_8Psc_Qi8JPqSE8aM13FKMySHDVBL14xGaEcHUgpbtMZphzMudU3GAnuW8LiDFSj5FB4TQWjRUzJA_geCH5J23ZvAxVC7FvjLV1dYHqJbmeyza5R2kzoS2OuvitrpOYIYewlBd7fIAhR5KwSeThzHB75-_vviNSd6E6lssFudhgOSMhefoiTNdhhfTOUdfz06vjz8ulpcfzo_fLxeWy_pmwbkQdgW0AWGJtYpArZy1VkhJ7Upg2xLTSOekqxsuCW0lq5UyjQFqHTUtm6O3e99Nircj5EH3PlvoygAQx6wJF6qRQhbw9T_gOo4plN40aRSrWVOzAh3tIZtizgmc3iTfm7TTBOv7CPQUgZ4iKBWvJttx1UP7wE9_XoA3E2CyNZ1LJlif__KlihfnOXq3x7a-g93_ntUXp5_p_SraXrphfwA5-KMQ</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>197383983</pqid></control><display><type>article</type><title>Denitrification from a Swine Lagoon Overland Flow Treatment System at a Pasture–Riparian Zone Interface</title><source>MEDLINE</source><source>Wiley Online Library Journals Frontfile Complete</source><creator>Lowrance, Richard ; Hubbard, Robert K.</creator><creatorcontrib>Lowrance, Richard ; Hubbard, Robert K.</creatorcontrib><description>ABSTRACT In manure disposal systems, denitrification is a major pathway for N loss and to reduce N transport to surface and ground water. We measured denitrification and the changes in soil N pools in a liquid manure disposal system at the interface of a pasture and a riparian forest. Liquid swine manure was applied weekly at two rates (approximately 800 and 1600 kg N ha−1 yr−1) to triplicate plots of overland flow treatment systems with three different vegetation treatments. Denitrification (acetylene block technique on intact cores) and soil N pools were determined bimonthly for 3 yr. The higher rate of manure application had higher denitrification rates and higher soil nitrate. Depth 1 soil (0–6 cm) had higher denitrification, nitrate, and ammonium than depth 2 soil (6–12 cm). The vegetation treatment consisting of 20 m of grass and 10 m of forest had lower denitrification. Denitrification did not vary significantly with position in the plot (7, 14, 21, and 28 m downslope), but nitrate decreased in the downslope direction while ammonium increased downslope. Denitrification ranged from 4 to 12% of total N applied in the manure. Denitrification rates were similar to those from a nearby dairy manure irrigation site, but were generally a lower percent of N applied, especially at the high swine effluent rate. Denitrification rates for these soils range from 40 to 200 kg N ha−1 yr−1 for the top 12 cm of soil treated with typical liquid manure that is high in ammonium and low in nitrate.</description><identifier>ISSN: 0047-2425</identifier><identifier>EISSN: 1537-2537</identifier><identifier>DOI: 10.2134/jeq2001.302617x</identifier><identifier>PMID: 11285925</identifier><identifier>CODEN: JEVQAA</identifier><language>eng</language><publisher>Madison: American Society of Agronomy, Crop Science Society of America, Soil Science Society</publisher><subject>Agriculture ; Agriculture, rearing and food industries wastes ; Ammonium ; Animals ; Applied sciences ; Biological and medical sciences ; Biological treatment of waters ; Biotechnology ; Denitrification ; Environment and pollution ; Exact sciences and technology ; Fundamental and applied biological sciences. Psychology ; Industrial applications and implications. Economical aspects ; Lagoons ; Liquid manure ; Manure ; Nitrates ; Nitrogen - metabolism ; Other wastewaters ; Overland flow ; Pasture ; Pig manure ; Plants ; Pollution ; Quaternary Ammonium Compounds ; Refuse Disposal ; Riparian forests ; Soil Microbiology ; Soil Pollutants - metabolism ; Soil treatment ; Swine ; Vegetation ; Wastes ; Wastewaters ; Water Pollution ; Water treatment and pollution</subject><ispartof>Journal of environmental quality, 2001-03, Vol.30 (2), p.617-624</ispartof><rights>Published in J. Environ. Qual.30:617–624.</rights><rights>2001 INIST-CNRS</rights><rights>Copyright American Society of Agronomy, Inc. Mar/Apr 2001</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c468X-4455cbe29e5c1cc71e87fccc5662cb50cd1a96ff6f894612d63877a9ae2cf2ad3</citedby><cites>FETCH-LOGICAL-c468X-4455cbe29e5c1cc71e87fccc5662cb50cd1a96ff6f894612d63877a9ae2cf2ad3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.2134%2Fjeq2001.302617x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.2134%2Fjeq2001.302617x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&amp;idt=1027421$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/11285925$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Lowrance, Richard</creatorcontrib><creatorcontrib>Hubbard, Robert K.</creatorcontrib><title>Denitrification from a Swine Lagoon Overland Flow Treatment System at a Pasture–Riparian Zone Interface</title><title>Journal of environmental quality</title><addtitle>J Environ Qual</addtitle><description>ABSTRACT In manure disposal systems, denitrification is a major pathway for N loss and to reduce N transport to surface and ground water. We measured denitrification and the changes in soil N pools in a liquid manure disposal system at the interface of a pasture and a riparian forest. Liquid swine manure was applied weekly at two rates (approximately 800 and 1600 kg N ha−1 yr−1) to triplicate plots of overland flow treatment systems with three different vegetation treatments. Denitrification (acetylene block technique on intact cores) and soil N pools were determined bimonthly for 3 yr. The higher rate of manure application had higher denitrification rates and higher soil nitrate. Depth 1 soil (0–6 cm) had higher denitrification, nitrate, and ammonium than depth 2 soil (6–12 cm). The vegetation treatment consisting of 20 m of grass and 10 m of forest had lower denitrification. Denitrification did not vary significantly with position in the plot (7, 14, 21, and 28 m downslope), but nitrate decreased in the downslope direction while ammonium increased downslope. Denitrification ranged from 4 to 12% of total N applied in the manure. Denitrification rates were similar to those from a nearby dairy manure irrigation site, but were generally a lower percent of N applied, especially at the high swine effluent rate. Denitrification rates for these soils range from 40 to 200 kg N ha−1 yr−1 for the top 12 cm of soil treated with typical liquid manure that is high in ammonium and low in nitrate.</description><subject>Agriculture</subject><subject>Agriculture, rearing and food industries wastes</subject><subject>Ammonium</subject><subject>Animals</subject><subject>Applied sciences</subject><subject>Biological and medical sciences</subject><subject>Biological treatment of waters</subject><subject>Biotechnology</subject><subject>Denitrification</subject><subject>Environment and pollution</subject><subject>Exact sciences and technology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Industrial applications and implications. Economical aspects</subject><subject>Lagoons</subject><subject>Liquid manure</subject><subject>Manure</subject><subject>Nitrates</subject><subject>Nitrogen - metabolism</subject><subject>Other wastewaters</subject><subject>Overland flow</subject><subject>Pasture</subject><subject>Pig manure</subject><subject>Plants</subject><subject>Pollution</subject><subject>Quaternary Ammonium Compounds</subject><subject>Refuse Disposal</subject><subject>Riparian forests</subject><subject>Soil Microbiology</subject><subject>Soil Pollutants - metabolism</subject><subject>Soil treatment</subject><subject>Swine</subject><subject>Vegetation</subject><subject>Wastes</subject><subject>Wastewaters</subject><subject>Water Pollution</subject><subject>Water treatment and pollution</subject><issn>0047-2425</issn><issn>1537-2537</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>8G5</sourceid><sourceid>BEC</sourceid><sourceid>BENPR</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNqFkctuEzEUhi0EoiGwZodGCLFL67tnVgj1Aq0iFWiRKjaW4zlGjmbs1J5pyI534A15ElxlpCI2LHzRr-_8Psc_Qi8JPqSE8aM13FKMySHDVBL14xGaEcHUgpbtMZphzMudU3GAnuW8LiDFSj5FB4TQWjRUzJA_geCH5J23ZvAxVC7FvjLV1dYHqJbmeyza5R2kzoS2OuvitrpOYIYewlBd7fIAhR5KwSeThzHB75-_vviNSd6E6lssFudhgOSMhefoiTNdhhfTOUdfz06vjz8ulpcfzo_fLxeWy_pmwbkQdgW0AWGJtYpArZy1VkhJ7Upg2xLTSOekqxsuCW0lq5UyjQFqHTUtm6O3e99Nircj5EH3PlvoygAQx6wJF6qRQhbw9T_gOo4plN40aRSrWVOzAh3tIZtizgmc3iTfm7TTBOv7CPQUgZ4iKBWvJttx1UP7wE9_XoA3E2CyNZ1LJlif__KlihfnOXq3x7a-g93_ntUXp5_p_SraXrphfwA5-KMQ</recordid><startdate>200103</startdate><enddate>200103</enddate><creator>Lowrance, Richard</creator><creator>Hubbard, Robert K.</creator><general>American Society of Agronomy, Crop Science Society of America, Soil Science Society</general><general>Crop Science Society of America</general><general>American Society of Agronomy</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7ST</scope><scope>7T7</scope><scope>7TG</scope><scope>7X2</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>88I</scope><scope>8AF</scope><scope>8AO</scope><scope>8C1</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>8G5</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>KL.</scope><scope>L6V</scope><scope>M0K</scope><scope>M0S</scope><scope>M1P</scope><scope>M2O</scope><scope>M2P</scope><scope>M7S</scope><scope>MBDVC</scope><scope>P64</scope><scope>PATMY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>S0X</scope><scope>SOI</scope></search><sort><creationdate>200103</creationdate><title>Denitrification from a Swine Lagoon Overland Flow Treatment System at a Pasture–Riparian Zone Interface</title><author>Lowrance, Richard ; Hubbard, Robert K.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c468X-4455cbe29e5c1cc71e87fccc5662cb50cd1a96ff6f894612d63877a9ae2cf2ad3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Agriculture</topic><topic>Agriculture, rearing and food industries wastes</topic><topic>Ammonium</topic><topic>Animals</topic><topic>Applied sciences</topic><topic>Biological and medical sciences</topic><topic>Biological treatment of waters</topic><topic>Biotechnology</topic><topic>Denitrification</topic><topic>Environment and pollution</topic><topic>Exact sciences and technology</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Industrial applications and implications. Economical aspects</topic><topic>Lagoons</topic><topic>Liquid manure</topic><topic>Manure</topic><topic>Nitrates</topic><topic>Nitrogen - metabolism</topic><topic>Other wastewaters</topic><topic>Overland flow</topic><topic>Pasture</topic><topic>Pig manure</topic><topic>Plants</topic><topic>Pollution</topic><topic>Quaternary Ammonium Compounds</topic><topic>Refuse Disposal</topic><topic>Riparian forests</topic><topic>Soil Microbiology</topic><topic>Soil Pollutants - metabolism</topic><topic>Soil treatment</topic><topic>Swine</topic><topic>Vegetation</topic><topic>Wastes</topic><topic>Wastewaters</topic><topic>Water Pollution</topic><topic>Water treatment and pollution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lowrance, Richard</creatorcontrib><creatorcontrib>Hubbard, Robert K.</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Meteorological &amp; Geoastrophysical Abstracts</collection><collection>Agricultural Science Collection</collection><collection>Health &amp; Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Science Database (Alumni Edition)</collection><collection>STEM Database</collection><collection>ProQuest Pharma Collection</collection><collection>Public Health Database</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Research Library (Alumni Edition)</collection><collection>Materials Science &amp; Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural &amp; Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>eLibrary</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>Research Library Prep</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health &amp; Medical Complete (Alumni)</collection><collection>Meteorological &amp; Geoastrophysical Abstracts - Academic</collection><collection>ProQuest Engineering Collection</collection><collection>Agricultural Science Database</collection><collection>Health &amp; Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Research Library</collection><collection>Science Database</collection><collection>Engineering Database</collection><collection>Research Library (Corporate)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environmental Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Engineering Collection</collection><collection>Environmental Science Collection</collection><collection>ProQuest Central Basic</collection><collection>SIRS Editorial</collection><collection>Environment Abstracts</collection><jtitle>Journal of environmental quality</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lowrance, Richard</au><au>Hubbard, Robert K.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Denitrification from a Swine Lagoon Overland Flow Treatment System at a Pasture–Riparian Zone Interface</atitle><jtitle>Journal of environmental quality</jtitle><addtitle>J Environ Qual</addtitle><date>2001-03</date><risdate>2001</risdate><volume>30</volume><issue>2</issue><spage>617</spage><epage>624</epage><pages>617-624</pages><issn>0047-2425</issn><eissn>1537-2537</eissn><coden>JEVQAA</coden><abstract>ABSTRACT In manure disposal systems, denitrification is a major pathway for N loss and to reduce N transport to surface and ground water. We measured denitrification and the changes in soil N pools in a liquid manure disposal system at the interface of a pasture and a riparian forest. Liquid swine manure was applied weekly at two rates (approximately 800 and 1600 kg N ha−1 yr−1) to triplicate plots of overland flow treatment systems with three different vegetation treatments. Denitrification (acetylene block technique on intact cores) and soil N pools were determined bimonthly for 3 yr. The higher rate of manure application had higher denitrification rates and higher soil nitrate. Depth 1 soil (0–6 cm) had higher denitrification, nitrate, and ammonium than depth 2 soil (6–12 cm). The vegetation treatment consisting of 20 m of grass and 10 m of forest had lower denitrification. Denitrification did not vary significantly with position in the plot (7, 14, 21, and 28 m downslope), but nitrate decreased in the downslope direction while ammonium increased downslope. Denitrification ranged from 4 to 12% of total N applied in the manure. Denitrification rates were similar to those from a nearby dairy manure irrigation site, but were generally a lower percent of N applied, especially at the high swine effluent rate. Denitrification rates for these soils range from 40 to 200 kg N ha−1 yr−1 for the top 12 cm of soil treated with typical liquid manure that is high in ammonium and low in nitrate.</abstract><cop>Madison</cop><pub>American Society of Agronomy, Crop Science Society of America, Soil Science Society</pub><pmid>11285925</pmid><doi>10.2134/jeq2001.302617x</doi><tpages>8</tpages></addata></record>
fulltext fulltext
identifier ISSN: 0047-2425
ispartof Journal of environmental quality, 2001-03, Vol.30 (2), p.617-624
issn 0047-2425
1537-2537
language eng
recordid cdi_proquest_miscellaneous_14579656
source MEDLINE; Wiley Online Library Journals Frontfile Complete
subjects Agriculture
Agriculture, rearing and food industries wastes
Ammonium
Animals
Applied sciences
Biological and medical sciences
Biological treatment of waters
Biotechnology
Denitrification
Environment and pollution
Exact sciences and technology
Fundamental and applied biological sciences. Psychology
Industrial applications and implications. Economical aspects
Lagoons
Liquid manure
Manure
Nitrates
Nitrogen - metabolism
Other wastewaters
Overland flow
Pasture
Pig manure
Plants
Pollution
Quaternary Ammonium Compounds
Refuse Disposal
Riparian forests
Soil Microbiology
Soil Pollutants - metabolism
Soil treatment
Swine
Vegetation
Wastes
Wastewaters
Water Pollution
Water treatment and pollution
title Denitrification from a Swine Lagoon Overland Flow Treatment System at a Pasture–Riparian Zone Interface
url https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-02-05T06%3A12%3A46IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest_cross&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Denitrification%20from%20a%20Swine%20Lagoon%20Overland%20Flow%20Treatment%20System%20at%20a%20Pasture%E2%80%93Riparian%20Zone%20Interface&rft.jtitle=Journal%20of%20environmental%20quality&rft.au=Lowrance,%20Richard&rft.date=2001-03&rft.volume=30&rft.issue=2&rft.spage=617&rft.epage=624&rft.pages=617-624&rft.issn=0047-2425&rft.eissn=1537-2537&rft.coden=JEVQAA&rft_id=info:doi/10.2134/jeq2001.302617x&rft_dat=%3Cproquest_cross%3E14579656%3C/proquest_cross%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=197383983&rft_id=info:pmid/11285925&rfr_iscdi=true